In this article, we will explore a very interesting and useful home automation system that allows you to control appliances and fan speed through voice commands—all without the need for Wi-Fi, Bluetooth, or any smartphone app. The best part of this project is that it works completely offline, ensuring privacy and ease of use. Introduction […]
Get More Power from USB-C Chargers with This USB-PD Decoy!
A while back, a friend came over to my place for a party. Unfortunately, his phone battery died, so he asked me for a charger. I handed him my 120-watt fast charger, but he hesitated and said, “My phone only supports 20 watts, won’t this 120-watt charger damage it?” That’s a pretty common concern among […]
Control Any IR-Based Appliance with Your Smartphone | Universal IR Remote.
Using this board, you can control your TV, air conditioner, or any IR-based device directly from your smartphone, from anywhere in the world. This project allows you to control any device that uses an IR remote, not just TVs and ACs. If you have multiple IR remote-based devices, this project is perfect for you. Now […]
Best ESP Programmer Module (CP2102N USB to UART)
I have designed numerous home automation PCBs based on the ESP32 chip. To reduce costs, I did not include a programming circuit on these boards. Therefore, to flash the program into the ESP32 chip, an external programming circuit is required, or alternatively, an ESP32 development board can be used. To simplify this process, I designed […]
Request Sensor Data Using 4G LTE Modem & Arduino Uno | DHT22.
Introduction. In an era where monitoring and automation are becoming increasingly significant in both industrial and residential environments, the need for efficient and reliable monitoring systems is paramount. This article delves into the creation of a robust GSM-based temperature and humidity monitoring system using Arduino. This system is designed to read environmental data using a […]
Turn Motor ON/OFF with Your Phone through Miss-Call! Arduino 4G LTE Module Automation.
Introduction. On a recent visit to my village, I noticed that many farmers have motor pumps installed far from their homes, directly in the farming areas. Operating these pumps can be challenging, as it requires frequent trips to the fields just to turn them on or off. This sparked an idea for a solution. I’ve […]
TPS5405 Voltage Regulator IC (Evolution Board).
“Hey, hello friends, welcome back to my new article, I was working on a project that I will reveal soon. For this project, I needed a power supply of constant 5 volts and 2 amps, and while looking for voltage regulator options, I came across several, including the 7805, AMS1117, LM2596, and some adjustable step-down buck power supply modules […]
SIM900A GSM Module & Arduino: Sending/Receiving SMS & Making Calls Using AT Commands.
Introduction. If you love DIY electronics, you’ve probably heard about Arduino. It’s a fun and simple way to get into robotics and programming. But did you know you can also use it to send text messages and make phone calls? That’s right! With a little help from a GSM module (like the kind in your […]
Understanding I2C Communication Protocol: A Gateway to Seamless Interfacing
In the realm of electronics and embedded systems, efficient communication between various components is paramount. The Inter-Integrated Circuit (I2C) protocol has emerged as one of the most widely used communication interfaces, enabling seamless data exchange between microcontrollers, sensors, memory modules, and other peripheral devices. In this article, we delve into the fundamentals of I2C communication […]
Creating a Smart Home with Arduino: Exploring IoT Cloud and Arduino Nano ESP32.
Introduction. In the realm of home automation, the evolution of technology offers endless possibilities. The recent launch of the Arduino Nano ESP32 board is a game-changer, breathing new life into older systems. In this article, we’ll explore how an old home-automation PCB, originally designed for the Arduino Nano, can be rejuvenated using the Arduino Nano […]